NGC 4725 (with NGC 4712 below, and part of NGC 4747 upper right)          (image is reduced-size | other sizes:  medium ,,original)

Distance:  40 million light years

Telescope Takahashi TOA-130F @ f/7.7
Mount Takahashi EM200 Temma II
Camera QSI 690wsg @ -10C
Filters Astrodon Tru-Balance I-Series LRGB Gen 2
Guider SX Lodestar
Settings 20x5min L (bin1x1); 6x5min ea RGB (bin2x2); AstroArt5, CS4, PI - first use of PI! (slightly cropped, 10xdarks/flats/fdarks/bias)



3 May 2019 - Las Cruces, NM

This was my first use of PixIinsight (PI) since I tested PIlight many years ago. I used PI here for NR for Lum as well as separate RGB channels - I am sold! This image is LRGB.

Copyright  Jeffrey O. Johnson

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